皮皮学，免费搜题
登录
搜题
【判断题】
三线制电路中,如 为各线电流相量,则 。在对称三相四线制电路中,中线电流相量 。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】She_______ go to bed_______ her mother came back. [ ]
A.
didn't ; until
B.
doesn't ; until
C.
didn't ; after
D.
doesn't ; after
【单选题】Your mother told me that you overslept this morning, ______?
A.
didn't she
B.
didn't you
C.
did she
D.
did you
【单选题】Jack didn't telephone his mother because ______ .
A.
he was too busy
B.
his telephone didn't work
C.
his mother had no telephone
【单选题】In this story,the woman didn't find Bruce 's mother because___。
A.
she wenr to the wrong house。
B.
She didn't know Bruce 's mother。
C.
Bruce was not at home。
D.
Bruce didn't have a mother。
【单选题】Which of the following sentences is INCORRECT?
A.
You didn't hear mother call and I didn't either.
B.
Either of parents is capable of mending the machine.
C.
Come on Saturday or Sunday. Either is OK.
D.
I don't think either of them is at home.
相关题目：